linux-kernel - Re: [PATCH v4 00/11] KVM: x86: optimize for writing guest page

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Date:	Fri, 11 Nov 2011 11:42:41 +0800
From:	Xiao Guangrong <xiao.grong@...il.com>
To:	Avi Kivity <avi@...hat.com>
CC:	Xiao Guangrong <xiaoguangrong@...fujitsu.com>,
	Marcelo Tosatti <mtosatti@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>, KVM <kvm@...r.kernel.org>
Subject: Re: [PATCH v4 00/11] KVM: x86: optimize for writing guest page

On 11/10/2011 10:05 PM, Avi Kivity wrote:
> On 11/10/2011 03:28 PM, Xiao Guangrong wrote:
>>
>> I have tested RHEL.6.1 setup/boot/reboot/shutdown and the complete
>> output of scan_results.py is attached.
>>
>> The result shows the performance is improved:
>> before:            After:
>> 570            529
>> 555            538
>> 552            531
>> 546            528
>> 553            559
>> 553            527
>> 550            523
>> 553            533
>> 547            538
>> 550            526
>>
>> How do you think about it? :)
>
> Well, either I was sloppy in my measurements, or maybe RHEL 6 is very
> different from F9 (unlikely).  I'll measure it again and see.
>

Thanks for your time. :)

> btw, this is with ept=0, yes?
>

Yeah.
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